rangefilterbuilder.java

来自「一套java版本的搜索引擎源码」· Java 代码 · 共 48 行

/*
 * Created on 25-Jan-2006
 */
package org.apache.lucene.xmlparser.builders;

import org.apache.lucene.search.Filter;
import org.apache.lucene.search.RangeFilter;
import org.apache.lucene.xmlparser.DOMUtils;
import org.apache.lucene.xmlparser.FilterBuilder;
import org.apache.lucene.xmlparser.ParserException;
import org.w3c.dom.Element;
/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


/**
 * @author maharwood
 */
public class RangeFilterBuilder implements FilterBuilder {


	public Filter getFilter(Element e) throws ParserException {
		
		String fieldName=DOMUtils.getAttributeWithInheritance(e,"fieldName");
		
		String lowerTerm=e.getAttribute("lowerTerm");
		String upperTerm=e.getAttribute("upperTerm");
		boolean includeLower=DOMUtils.getAttribute(e,"includeLower",true);
		boolean includeUpper=DOMUtils.getAttribute(e,"includeUpper",true);
		return new RangeFilter(fieldName,lowerTerm,upperTerm,includeLower,includeUpper);
	}

}